Automatic chord generating device for an electronic musical instrument
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United States of America Patent
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Mar 15, 1994
Grant Date -
N/A
app pub date -
Feb 28, 1992
filing date -
Mar 1, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An automatic accompaniment device for generating chords in an electronic musical instrument. This device has a chord type information generator which indicates one of the type of chords being produced; a chord root information generator which indicates the pitch name of a root note of the chord type; and a chord bass information generator which indicates the pitch name of the lowest note of the chord type. The information from the three generators is used by an accompaniment pattern information generator to generate pattern information relating to the chord type, chord root and chord bass information. For each tone of the pattern, the pattern information contains the pitch name of a note in the chord and non chord tone of a note not present in the chord. An accompaniment pattern is generated with the accompaniment pattern information to change the pitch name of each chord tone in relation to the bass chord.
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